Added ability to trigger check from command line

check/check_ping.go

@@ -1,11 +1,16 @@
 package check
 
+import (
+	"fmt"
+)
+
 type CheckPing struct {
 	Type string
 	Address string
 }
 
 func (c *CheckPing) Check() error {
+	fmt.Printf("Pinging %s .. \n", c.Address)
 	return nil
 }